Zsh is a shell with many advanced command-line and scripting features.

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176 views

How to change the interpret of a variable in `zsh`?

I set a variable TEMPP='-I ../dir1 -I ../dir2' then I run gcc -M $TEMPP somefile.c It seems not to include ../dir1 and ../dir2 in the search list of the include file, and if there is a space at the ...
33
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3answers
8k views

ESC key causes a small delay in terminal due to its Alt+ behavior

My terminal setup is gnome-terminal + tmux + zsh with vi bindings. In applications like vim or even in the zsh's command line vi editing mode, I need to frequently hit the ESC key but there is a ...
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2answers
2k views

path_helper and zsh

I read that Apple, instead of jamming more and more PATH variable variations to the end of shell profile file, created path_helper binary so that it could expand PATH variable automatically by reading ...
7
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1answer
4k views

Arrays and loops in zsh

I am trying to learn loops and array manipulation in zsh. Say I have two arrays in zsh with the same unknown # of elements and each of them containing a list of paths, e.g. ...
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2answers
1k views

Counting files in leaves of directory tree

I came up with the following snippet for counting files in each subdirectory: for x (**/*(/)); do print $x; find $x -maxdepth 1 -type f | wc -l; done The command outputs consecutive pairs (one ...
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3answers
1k views

How to fix tab completion so it doesn't hide entries?

I'm using oh-my-zsh on Mac OS X with homebrew'ed zsh 4.3.12. I stumbled recently on a weird problem. In scripts/not-used I have several .R files: breakdowns.R eventloop.R ...
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2answers
4k views

Spaces as line breaks from inline for loop command

Someone care to enlighten me as to why the spaces in the first command seem to be interpreted as line breaks? Also occurs substituting print for echo. $for l in $( find *.txt -exec head -1 {} \; ); ...
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2answers
946 views

find -exec on zsh: echo works as expected, print doesn't

I thought the following two commands would output the same thing, but they don't: Command 1: find . -name filename -exec print '{}' \; Command 2: find . -name filename -exec echo '{}' \; ...
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5answers
476 views

Conflict between my prompt definition and cat in zsh

I have a file on a remote filesystem that I know has a short text string in it (a sequence of numbers in a single line). If I open the file on a text editor like nano or Emacs I can see the string. ...
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1answer
2k views

What does “trace trap” mean when reported by zsh?

I am trying to run a set UID root program in UNIX using the zsh shell. But I keep getting this message $ ./progExe zsh: trace trap ./progExe Can anyone please tell what does “zsh: trace trap” mean? ...
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3answers
3k views

How to delete part of a path in an interactive shell?

Is there a shortcut in bash and zsh to delete one component of a path? For example, if I type ls ~/local/color/, and the cursor is at the end of line, is there a shortcut to delete the color/ at the ...
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1answer
204 views

Definition of word in ZLE (zsh)

I came across the following two snippets in zsh: Snippet 1: autoload select-word-style select-word-style shell Snippet 2: setopt shwordsplit My question is, what is the difference between ...
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1answer
12k views

Running a bash script from a zsh shell

I'm having problems running a bash script on zsh. The script is similar to the one below and is supposed to run under bash: #!/bin/bash echo "<235234>" | egrep -oe [0-9]+ However, my shell ...
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3answers
2k views

sharing or synchronizing history between Zsh and Bash

I often find myself switching between Bash and Zsh, and using the history search functionality to recover a command. However, since Bash and Zsh have different history files, I often find that the ...
3
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1answer
4k views

How to run a specified codeblock with getopts when no options or arguments are supplied?

So I am writing a script that mixes options with arguments with options that don't. From research I have found that getopts is the best way to do this, and so far it has been simple to figure out and ...
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2answers
3k views

Testing LS_COLORS in zsh

A few years ago I found an interesting code snippet that prints each type of file in its corresponding color according to the colors set up in LS_COLORS. Unfortunately, I can't remember the link ...
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1answer
651 views

How to manipulate awk variable NF in zsh?

I have a simple command line: uptime | awk '{print $(NF - 2)}' In a bash shell, this works without a hitch, but when I run it in zsh, I get the following error: title:5: command not found: NF As ...
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2answers
547 views

Issues with Vim while using ZSH

I just changed my shell to ZSH. However, when I tried to edit a .py file in vim I got a strange error: "test.py" [New File] Error detected while processing ...
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4answers
3k views

Home key not working in terminal

I am using GNOME Terminal 2.7.3 and zsh 4.3.9 (x86_64-unknown-linux-gnu) Home and End are not working. Nothing happens and nothing gets displayed when I press them. but they work when I press shift + ...
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1answer
384 views

Adding more Emacs-like bindings to ZSH's line editor (ZLE)

I have a couple of questions regarding the emacs-like keyboard bindings in Zsh. As background to all the questions: I have Emacs-like keybinding activated with bindkey -e (activated by default) ...
4
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3answers
2k views

ZSH: `ls *(.)` lists regular files only but `ls *(/)` does not list directories only

I'm not sure I am using ZSH's globbing correctly, but I thought ls *(/) would just list the dirctories under pwd, but it doesn't, it recursively lists all files under every directory under pwd (I got ...
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3answers
2k views

ZSH: Stripping path, filename and extension from a list of files for piping a command

The syntax for the command convert in ImageMagick is convert source_filename.ext1 destination_filename.ext2 I would like to use zsh to feed it with files in a folder path_to_source and output the ...
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1answer
701 views

ZSH: Globbing the first N files under a path in lexicographic order

I was wondering if there is a way to specify the first N files under a given a directory in zsh. I am interested in solutions for recursive enumeration (i.e. any file recursively below a path is ...
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3answers
1k views

Expanding variables in zsh

The script below works in bash but not in zsh. I think it is because in the variable OPTS, I am "expanding" (not sure if this is the right word) the variable $EXCLUDE, and this syntax doesn't work in ...
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1answer
3k views

Understanding colors in zsh

In this thread, yoda suggests the following solution for using colors in zsh #load colors autoload colors && colors for COLOR in RED GREEN YELLOW BLUE MAGENTA CYAN BLACK WHITE; do eval ...
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1answer
430 views

Keyboard bindings from bash to zsh?

I have the following entries on my .inputrc for bash: "\C-p": history-search-backward "\C-n": history-search-forward "\e[A": history-search-backward "\e[B": history-search-forward "\e[C": ...
3
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1answer
402 views

.zshrc and the configuration function

I called zsh from Bash for the first time in my machine after installing it. Then I followed the instructions in the menu from the configuration function and saved the changes. So far so good, I can ...
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1answer
3k views

zmv for zsh: Dry runs and man pages

I've heard great things about zmv in zsh, and would love to really learn to use it. However, I am still relatively unexperienced in zsh, and have some basic questions: Is there is a man page for zmv ...
6
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1answer
250 views

How can I output “temporarily” to the shell, like zsh tab completion does?

In zsh shell, when you hit Tab twice to get tab completion, your options are displayed below your prompt. But when you make a selection, the options disappear. I have a little script that outputs ...
1
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1answer
229 views

Printing evaluated prompt placeholders to screen

Is there a way to print interpreted PS1 variable placeholders to console? Something like $ echo `%u` for printing a username or $ echo `%h` for printing a host. I do know about environment ...
9
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1answer
965 views

What is the best way to detect (from a script) whether software is installed?

I've been frustrated before with differences in output from the which command across different platforms (Linux vs. Solaris vx. OS X), with different shells possibly playing into the matter as well. ...
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2answers
3k views

is there a way to set coloring for cd tab complete?

I use ubuntu 11.04. Is there a way to set coloring for output after tab completion listing of a cd, ls, or etc. ? i.e. myshell@root$ cd ~/user/files/ I hit tab... myfile myfoo mybar <-- this ...
14
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4answers
5k views

ZSH: search history on up and down keys?

Currently, I have the following in my .zshrc: bindkey '^[[A' up-line-or-search bindkey '^[[B' down-line-or-search However, this only seems to match the content of my current input before a space ...
4
votes
2answers
1k views

ZSH tab completion: only complete files and not binaries

Is it possible to make a custom zsh completion file,so when hitting tab for filenames it avoids completing the binaries? For example,I have 2 files , myprogram.c and myprogram,the binary,is it ...
14
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2answers
15k views

How to reset a shell environment?

This issue has been bugging me for a while, and although I've thought I've found my answer through EnvWatcher, unfortunately it only works on Bash. And I use zsh. I would like to replicate the things ...
4
votes
1answer
318 views

_path_files and compadd ignore-files parameter

What is the format for the -F option of _path_files and compadd? I'm passing several directories to _path_files: _path_files -W "($base_directories)" -/ But some of those directory trees I don't ...
3
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1answer
966 views

ignore hosts file in ZSH ssh/scp tab-complete

I use a hosts file to block ads/malware domains. When I use ssh or scp in zsh and try to tab-complete, it takes a good 5-10 seconds before anything appears and what does appear is usually a list of ...
8
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2answers
831 views

zsh tab completion on empty line

I'd like a tcsh'ism that I haven't been able to find: On a blank line with no content, I want to press the tab key and see the equivalent of an ls. That is to say I want $ <tab> to do ...
6
votes
1answer
899 views

Displaying stdout of a background process in specific location of the terminal

I have a command that I run every time a new terminal is opened or a new login is made. This program produces output (colored) which should be positioned before the command prompt. It can take a few ...
6
votes
2answers
2k views

Stop ZSH from trying to correct command

$ knife cookbook download recipe zsh: correct 'cookbook' to 'cookbooks' [nyae]? How can I get zsh to stop trying to correct cookbook to cookbooks?? cookbooks is a directory where I run the command ...
7
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1answer
346 views

in zsh, how do I hide the backslashes in the completion menu

On Mac OS X 10.6, zsh. I have set in .zshrc: setopt automenu …to get a completion menu below the prompt. When I type: cd <TAB> I see a completion menu with all directories that have spaces ...
6
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2answers
3k views

zsh kill Ctrl + Backspace, Ctrl + Delete

How to configure zsh such that Ctrl+Backspace kills the word before point? How to achieve that Ctrl+Delete kills the word after point? I use urxvt as terminal emulator.
3
votes
1answer
362 views

zsh history - full path

Suppose I do the following in zsh cd ~ cd dir1 cd dir2 cd dir3 evince foo.pdf zsh writes exactly the same in its history file. Now my question is whether it is possible to have cd ~ cd ~/dir1 cd ...
2
votes
1answer
259 views

Switch back to path when resume job from background

Say I open ~/vim.txt, push that to background, then cd to another path. When I bring that job to foreground, is there an option to switch back to old path? I noticed it says pwd, so I assume it is ...
6
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1answer
391 views

Can I have my shell history record how wildcards expanded?

If I run: $ ls * foo bar buzz $ history | tail -1 ls * You can see that in my shell history it remembers that I ran ls * rather than ls foo bar buzz. Ideally, I'd like to record both in separate ...
5
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1answer
2k views

ZSH: insert completion on first tab even if ambiguous?

Currently ZSH displays a menu when I first hit tab and the completion is ambiguous. So, if I have 'cd ' in the command prompt and I hit tab, it will show the different available completions. If I hit ...
2
votes
1answer
3k views

zsh and xfce4-terminal

I've changed my login shell to zsh from bash on an installation of Debian Squeeze with XFCE. When I launch xfce4-terminal, zsh starts but does not load my configuration. I have searched high and ...
4
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1answer
1k views

zsh equivalent of bash show-all-if-ambiguous?

In bash, if you hit tab when there are multiple possible completions you get a list of matches that keeps reprinting if you repeatedly press tab. In tcsh, setting autocomplete to enhanced also ...
69
votes
9answers
4k views

Remember a half-typed command while I check something

I often find myself in the following position: I've started typing a long command at the bash prompt, but half-way through I find out I need to check something with another command. This is a problem ...
7
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3answers
942 views

Can I highlight the current prompt line in zsh?

Is it possible to highlight (set a background colour) for the whole line of the prompt in zsh? In my emacs config I have the line on which the cursor sits a slightly different colour to the window ...